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MKIV
XP
 
1  
Timer Mode
 
Turn the Timer ON/OFF:  
 
With a battery installed, pressing any button will turn the MKIV XP on . Holding any button down  
for 5 seconds will turn the MKIV XP off . In addition, the MKIV XP will turn itself off after about  
15 minutes of inactivity.  
 
Record Shots:  
 
The MKIV XP will default start in " TIMER COMMAND " in delay mode. To use the timer in this  
manner, just push the GO button, 2 to 3.5 seconds later you'll hear a beep - this is your go  
signal.As you fire, the timer will automatically display and record the shot number, split time and  
the time that each shot was fired. The first shot time will remain at the bottom.  
 
EXAMPLE: "El Presidente" Drill with Timer Mode  
 
Let's say you just fired an "El Presidente" (six-reload-six) you don't bother checking the  
target (you know you shot all "A's") but you are concerned about how you did in the time  
department. You check the display and it reads #012 .37 6.87 on the top line and FIRST  
SHOT: 1.26 on the bottom line. With no button pushing you know quite a bit about your  
string. First of all, the timer is telling you how many shots it heard (12) which is correct, the  
last shot it heard was shot number 12, which came .37 seconds after shot 11. Your total  
time from the start to your twelfth shot was 6.87 seconds and your first shot came at 1 .26  
seconds.  
| User Manual  
 
(TIME)
 
1  

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Summary of Contents for Pact MKIV XP

  • Page 1 With a battery installed, pressing any button will turn the MKIV XP on . Holding any button down   for 5 seconds will turn the MKIV XP off . In addition, the MKIV XP will turn itself off after about  ...
  • Page 2   Go ahead and press the REVIEW key. The MKIV XP will default to most recent sting in memory. If   you want to look at a previous string just enter the string number and press REVIEW , otherwise  ...
  • Page 3       NOTE : While this is a nifty training feature we caution you against using it in matches. If you   accidentally hit normal GO you'll wipe the shooters string.      Set a PAR Time:      The PAR button allows the shooter to enter a time limit (or PAR time in IPSC parlance) for a given  ...
  • Page 4 Set Benchmark(s):     The BNCH button activates the PACT Benchmark feature. This allows the shooter to program   the timer with a series of beeps or cues at specific times after the go signal which allow him to  ...
  • Page 5 first shot or click. For this drill enter 3 , SET . The CYCLE DELAY is the time between   cadence beeps. Push 1.5 , SET then the GO button. The MKIV XP will give you a start   signal, beep at 3 seconds then every 1.5 seconds for ever and ever.  ...
  • Page 6 In order to prevent accidental resetting of the timer during a shooters run (a problem in   movement stages where the RO runs with the shooter and leaves his finger on the GO button)   the MKIV XP has a keyboard lockout feature.     ...
  • Page 7: Chronograph Mode

      Press OPTN , OPTN , YES . The MKIV XP asks you for the velocity of your ammo. Enter 1050 ,   SET with a target range of 15 yards enter 15 , SET and a target velocity of 30 FPS enter 30 ,  ...
  • Page 8 18" which is what our new M7 Skyscreen System is set to.      NOTE : Older PACT screens will have 24" separation. To set a different screen separation, just push   the SET key and enter your separation in inches then press SET again.  ...
  • Page 9 NO key. The MKIV XP will "back up" to the previous   shot.      NOTE : The MKIV XP needs one second between shots. This is to allow the smoke to clear. If you   fire too soon, the Chronograph will not record the shot.     ...
  • Page 10 AVRG   763.8 FPS     You can EDIT out individual bad shots with the NO button during review. The MKIV XP will   recalculate your statistical summary less the edited shots.      When you are done reviewing your data, you can push the GO button and the timer will clear its  ...
  • Page 11     Automatic Power Factoring (APF):     With CHRONO COMMAND displayed on the screen push the PAR button. The timer will ask you   to “ ENTER BULLET WEIGHT AND PUSH SET ”. Push 2, 0, 0 , SET . Now press the GO button and   chronograph a shot.
  • Page 12       NOTE: Yes/No questions are answered with the YES and NO keys. No SET is required. Also, Any   time you are messing around with the Ballistic Calculator and you realize you've painted yourself   into a corner hit (gently now) the NO button until you exit the mode. This will take you out of the   Ballistic Calculator.
  • Page 13     Enter Sight Height:     Sight height if the distance from the center of the bore to the center of you sight. If you're   just playing around, use the default of 1.5" . However if your making a "for real" field drop   card do it right and measure the thing (a pain in the back side).
  • Page 14: Additional Functions

    The final question is whether or not you want the Ballistic Calculator to print to   the screen or paper. If you opt for a paper print out the MKIV XP will go on automatic   from here giving you a print out based on your parameters. If you want to print to the  ...
  • Page 15: Troubleshooting

      In short, to clear your MKIV XP memory, you’ll turn on the unit and cycle through the options the   SET / MENU button provides until you get to “ Delete ALL Strings? (N) ”. At that point you’ll press  ...
  • Page 16      If you find that your MKIV XP is having trouble getting readings on a sunny day with a dark blue   sky you should try shooting lower over the skyscreens. You may eliminate the problem by  ...